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<td nowrap="true" class="pageTitle">工具向导：使用 Rational ClearCase 比较基线</td><td width="100%">
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<td valign="top">本工具向导描述如何使用 Rational ClearCase 组件树形浏览器比较 UCM 组件的两条基线。</td>
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<td>工具：<a href="./../../../core.base_rup/tools/rup_clearcase_9665C.html" guid="{B2D1373B-A826-4169-A38A-B53B2122DC7C}">Rational ClearCase</a></td>
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<div class="sectionHeading">主要描述</div>
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    <b>概述</b>
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<p>
    在 ClearCase 中，UCM 基线通常代表组件的稳定配置。基线为一个或多个组件中可见的每个元素确定多个活动和一个版本。ClearCase 组件树形浏览器是一个 GUI，它显示组件基线的历史记录。 您可以用它来比较两条基线的内容。
</p>
<p>
    此工具向导在运行 Microsoft Windows 时适用。
</p>
<h3>
    工具步骤
</h3>
<p>
    要比较 UCM 项目中的两条基线：
</p>
<div align="left">
    <ol>
        <li>
            <a href="#StartClearCaseExplorer">启动 ClearCase Explorer</a>
        </li>
        <li>
            <a href="#OpenTheTreeBrowserForSpecifiedComponent">打开指定组件的组件树形浏览器</a>
        </li>
        <li>
            <a href="#SelectBaselineAndComparisonParameters">选择基线并选择比较参数</a>
        </li>
    </ol>
    <p>
        进一步的信息请参阅 ClearCase 手册 <i>Managing Software Projects</i>。
    </p>
</div>
<h3>
    1.&nbsp;<a id="StartClearCaseExplorer" name="StartClearCaseExplorer">启动 ClearCase Explorer</a>
</h3>
<p>
    要找到想要查看其基线历史记录的组件，请执行此步骤：
</p>
<ul>
    <li>
        从 Windows 工具栏，单击<b>开始 &gt; 程序 &gt; Rational Software &gt; Rational ClearCase &gt; ClearCase Explorer</b>。
    </li>
</ul>
<h3 align="left">
    2.&nbsp;<a id="OpenTheTreeBrowserForSpecifiedComponent" name="OpenTheTreeBrowserForSpecifiedComponent">打开指定组件的组件树形浏览器</a>
</h3>
<ul>
    <li>
        从组件的弹出菜单中单击<b>浏览基线</b>，以启动 ClearCase 组件树形浏览器。
    </li>
    <li>
        单击项目的组件文件夹，以显示组件列表。
    </li>
    <li>
        右键单击组件以显示弹出菜单。
    </li>
    <li>
        单击<b>浏览基线</b>以启动组件树形浏览器。
    </li>
</ul>
<p>
    <img height="16" alt="帮助手册图标" src="./../../../core.base_rup/resources/helpbook.gif" width="16" /> 请参阅 ClearCase 联机帮助中标题为 <i>ClearCase
    Component Tree Browser</i> 的主题。
</p>
<h3>
    3. <a id="SelectBaselineAndComparisonParameters" name="SelectBaselineAndComparisonParameters">选择基线并选择比较参数</a>
</h3>
<ul>
    <li>
        选择一个显示的基线，作为比较的基础。
    </li>
    <li>
        从<b>工具</b>菜单中，选择一个<b>比较...</b>菜单项。会提示您提供第二条要用在比较中的基线。
    </li>
    <li>
        您可以查看在活动方面或在版本方面的差别。单击要选择的相应选项卡。
    </li>
</ul><br />
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